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Features and Uses
Electromagnetic brake three-phase induction motor has the same motor features to three-phase induction motor. At the same time, it has below advantages:
· Quick braking, accurate positioning, safe and reliable;
· Simple structure, easy to use and maintain;
· low vibration and noise, long life;
· No axial movement while braking start;
· Motor brake has manual release mechanism (manual release screw or manual release handle), it can be manually, and also be electrically released.
This electromagnetic brake three-phase induction motor is suitable for all situations: quick stop, frequent start, reciprocating operation, accurate positioning. It also can be made into motor with softer mechanical characteristic, which is suitable for situations with frequent start and bigger load inertia. For example: valve, hoisting, metallurgical, construction machinery and so on.
The motor is two-speed or multi-speed, it’s can be used in situations with buffer start and slow placing. For example, mixer, lifting machine, conveyor and so on.
Service conditions
The brake three-phase induction motor doesn’t change.
Brake:
Power source: single phase 380V/50Hz or 220V/50Hz;
Duty: Continuous (S1)
Protection grade: IP44/IP55;
Insulation grade: B/F
Cooling method: IC411 Fan-cooled
Ambient temperature: -20~+40℃;
Altitude:1000m;
Brake: Non-excited brake. Power is supplied by rectifier in the motor junction box.
Principle and structure
Disc-shaped DC brake is mounted on the non shaft end cover. When power is accessed, the brake starts to work. Because of electromagnetic suction effect, electromagnet attracts the armature and compresses the spring, brake disc drops from the armature and cover, the motor starts to work. When the power is cut off, the electromagnet of brake loses suction effect, the spring pushes armature to compress brake disc. With the help of friction torque the motor stops immediately.
Technical parameters
Frame No. |
Rated braking torque (N. m) |
Release time (S) |
Excitation voltage DC (V) |
Excitation power (W) |
Longer than general by (mm) |
|
AC Side Fault |
DC Side Fault |
|||||
63 |
2.0 |
0.15 |
0.12 |
99 |
25 |
60 |
71 |
5.0 |
65 |
||||
80 |
8.0 |
0.2 |
0.015 |
30 |
70 |
|
90 |
15 |
0.02 |
36 |
80 |
||
100 |
30 |
0.35 |
0.035 |
45 |
85 |
|
112 |
40 |
0.4 |
0.04 |
170 |
80 |
85 |
132 |
80 |
0.5 |
0.045 |
100 |
||
160 |
150 |
0.65 |
0.05 |
90 |
115 |
|
180 |
200 |
0.7 |
0.055 |
150 |
||
200 |
300 |
0.8 |
0.065 |
150 |
180 |
|
225 |
450 |
200 |
||||
250 |
600 |
1.0 |
0.08 |
205 |
200 |
|
280 |
850 |
340 |
215 |
|||
315 |
1500 |
380 |
215 |
|||
355 |
2000 |
400 |
400 |
|||
Factory tour:
1, Motor Housing Machining
2. Motor Shaft Machining
3. Motor Stator Vaccum Varnishing Insulation Treatment
4. Test Lab According to Latest Efficiency Test Standard
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